2 PCS MN4008 Heart Photo Box Pendant Temperature Sensitive Discoloration Necklace Jewelry EC Meter Fasten the button on the

Fasten the button on the organ and get it quickly and easily

Battery tester weight: 67g / 2

Built-in 1500mAh battery

USB Interface: USB2

2 PCS MN4008 Heart Photo Box Pendant Temperature Sensitive Discoloration Necklace Jewelry EC Meter Fasten the button on the1. Color changing gemstones can sense temperature, are made of rare earth materials, and are sensitive to temperature 2. Highlight a different personality and attract the attention of others 3. Necklace can sense the temperature of the human body and change color, different colors in different environments, magically change like magic, can change into black, yellow, red, green, blue, pink, purple and other colors 4. Applicable gift giving occasions: